diff options
Diffstat (limited to 'sca-java-2.x/tags/2.0-M5-RC1/modules/binding-rest-runtime/src/main/java/org/apache/tuscany/sca/binding/rest/provider/DataBindingJAXRSWriter.java')
-rw-r--r-- | sca-java-2.x/tags/2.0-M5-RC1/modules/binding-rest-runtime/src/main/java/org/apache/tuscany/sca/binding/rest/provider/DataBindingJAXRSWriter.java | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0-M5-RC1/modules/binding-rest-runtime/src/main/java/org/apache/tuscany/sca/binding/rest/provider/DataBindingJAXRSWriter.java b/sca-java-2.x/tags/2.0-M5-RC1/modules/binding-rest-runtime/src/main/java/org/apache/tuscany/sca/binding/rest/provider/DataBindingJAXRSWriter.java new file mode 100644 index 0000000000..740b685b22 --- /dev/null +++ b/sca-java-2.x/tags/2.0-M5-RC1/modules/binding-rest-runtime/src/main/java/org/apache/tuscany/sca/binding/rest/provider/DataBindingJAXRSWriter.java @@ -0,0 +1,86 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.sca.binding.rest.provider; + +import java.io.IOException; +import java.io.OutputStream; +import java.lang.annotation.Annotation; +import java.lang.reflect.Type; +import java.util.Collections; + +import javax.ws.rs.WebApplicationException; +import javax.ws.rs.core.MediaType; +import javax.ws.rs.core.MultivaluedMap; +import javax.ws.rs.ext.MessageBodyWriter; +import javax.ws.rs.ext.Provider; + +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.interfacedef.DataType; +import org.apache.tuscany.sca.interfacedef.impl.DataTypeImpl; + +/** + * The generic JAX-RS message body writer based on Tuscany's databindingframework + */ +@Provider +public class DataBindingJAXRSWriter<T> extends DataBindingJAXRSProvider implements MessageBodyWriter<T> { + + public DataBindingJAXRSWriter(ExtensionPointRegistry registry) { + super(registry); + } + + public long getSize(T t, Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType) { + return -1; + } + + public boolean isWriteable(Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType) { + // DataType dataType = createDataType(type, genericType); + return supports(type, genericType, annotations, mediaType); + } + + public void writeTo(T t, + Class<?> type, + Type genericType, + Annotation[] annotations, + MediaType mediaType, + MultivaluedMap<String, Object> httpHeaders, + OutputStream entityStream) throws IOException, WebApplicationException { + DataType dataType = createDataType(type, genericType); + mediaType = new MediaType(mediaType.getType(), mediaType.getSubtype()); + String dataBinding = OutputStream.class.getName(); + // FIXME: [rfeng] This is a hack to handle application/json + if (MediaType.APPLICATION_JSON_TYPE.equals(mediaType)) { + dataBinding = mediaType.toString() + "#" + OutputStream.class.getName(); + } else if (MediaType.APPLICATION_XML_TYPE.equals(mediaType) || MediaType.TEXT_XML_TYPE.equals(mediaType)) { + dataBinding = OutputStream.class.getName(); + } else { + dataBinding = dataType.getDataBinding(); + write(entityStream, t, type); + return; + } + DataType targetDataType = + new DataTypeImpl(dataBinding, OutputStream.class, OutputStream.class, OutputStream.class); + // dataBindingExtensionPoint.introspectType(targetDataType, null); + + introspectAnnotations(annotations, targetDataType); + + mediator.mediate(t, entityStream, dataType, targetDataType, Collections.<String, Object> emptyMap()); + } + +} |